July 2020: Association Between the Use of Cannabis and Physical Violence in Youths
Play • 28 min

Executive Editor Michael Roy speaks with Stéphane Potvin, Ph.D., and Alexandre Dumais, M.D., Ph.D., about their meta-analysis investigating the association between cannabis use and violence, and, more specifically, the perpetration of any type of physical violence by adolescents and young adults.

  • How prevalent is the use of cannabis among young people? [2:23]
  • What are some of the adverse outcomes that are linked to the use of cannabis, and are these outcomes linked to other difficulties over time? [4:06]
  • Why has the literature been mixed as to whether there is a link between the use of cannabis and violent behavior and aggression? [6:11]
  • How the authors chose their research objective [8:15]
  • Steps of the meta-analysis [9:51]
  • Methods used to analyze the data [11:33]
  • Main findings [14:12]
  • Potential mechanisms that may have a role in the perpetration of violence [16:17]
  • Implications for young people who use cannabis [18:07]
  • Limitations affecting the results [19:19]
  • Does the medical use of marijuana have any bearing on the work? [21:43]
  • Takeaways for mental health professionals and the general public [22:31]
  • Recommendations for further research [23:55]

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